湘少版四年级英语上册课件Unit 9 第一课时（Part A，Part B）

湘少版·四年级上册第一课时（PartA,PartB）Unit9It’sonehundred\nshoessocksskirtsweaterRevisionLet’smatch\nFreeTalkMyluckynumberissix.What’syourluckynumber?Myluckynumberis…\nCountandfindAfterlisteningtothenumbersong,whatnumbersdoyouremember?Let’scountandfindtherules!onetwothreefourfivesixseveneightnineteneleventwelvethirteenfourteenfifteensixteenseventeeneighteennineteenSo,doyoufindtherulethat“thirteen,fourteen,fifteensixteen,seventeen,eighteen&nineteen”allhave“teen”?\nHowaboutthenext?Let’scount!twentytwenty-onetwenty-two…twenty-six…thirtythirty-onethirty-two…thirty-six…fortyforty-oneforty-two…forty-six…二十三十四十四十六\nfiftyfifty-one…fifty-four…sixtysixty-one…sixty-four…seventyseventy-one…seventy-four…五十四五十六十七十\neightyeighty-one…eighty-nineninetyninety-one…ninety-nineonehundred…八十九十一百So,doyoufindtherulethat“twenty,thirty,forty,fifty,sixty,seventy,eightyandninety”allhave“ty”?\n正确的错误的家庭作业Lookatthepictures,MissLiischeckingthestudents’homework.Whoisright?Whoiswrong?\nReadthewordsrightwronghomework\nListenandsayStep1:ListentothetapeofPartA.Afterlistening,repeatwhatyouhear.Step2:Listenagainandanswerthequestion:“Whatisforty-sixandfifty-four?”It’sonehundred.\nIsthis______,MissLi?Yes,it’s______.Good!Thankyou.Listen&Repeatrightright\nPlease_______again.Forty-sixandfifty-fouris…Oh!I’m______!It’sonehundred.thinkwrong\nWatchandactWatchthevideoandreadafterit.Workingroupsofthreeandactoutthedialogues.\n10＋50________10＋50____70Pleasethinkagain.Tenandfiftyis…Oh!I’mwrong!It’s______.Countandsaysixty\n45＋55______45＋55____90Pleasethinkagain.Forty-fiveandfifty-fiveis…Oh!I’mwrong!It’s____________.onehundred\nLanguagepoints1.Pleasethinkagain.祈使句结构：“Please+动词原形+其他.”。please意为“请”，可放在句首或句末，放在句末时，常用逗号与前面的内容隔开。例：请打开你的书。Openyourbook,please.=Pleaseopenyourbook.\n2.Forty-sixandfifty-fouris…表示加法算法的句型结构：“数词+and+数词+is+数词.”。（……加……等于……）【拓展】对加法的提问句型是“What’s+数词+and+数词?”。（……加……等于……？）例：—What’sfifty-fourandthirty-two?—It’seighty-six.\nhomeworkrightwrong错误的家庭作业正确的Let’sLearnPleasereadthewordsonebyone!\nseventy-sixeighty-sevenninety-eightninety-nineonehundred6576879899100twenty-onethirty-twoforty-threefifty-foursixty-five21324354\nLookandsay657687989910021324354Pleaseputupyourhandsandsaythewordsquickly!\n表示“多少”的词叫作基数词，如：one,two,three。基数词11~99的构成规律如下：(1)11~12eleven、twelve(2)13~19表示“十几”都以后缀-teen结尾。例如：thirteen、fourteen、eighteen。3.onehundred一百Languagepoints\n(3)20~90表示“几十”的整数均以后缀-ty结尾。例如：twenty、thirty、forty。(4)21~99十位数和个位数之间须用连字符“-”连接。例如：21→twenty-one\n99+1=100Whatisninety-nineandone?Ninety-nine_____one______onehundred.Workinpairsandis________________________________________Thirty-oneandthirty-twoissixty-three.31+32=63Whatisthirty-oneandthirty-two?Whatisseventy-sixandthree?__________________________________76+3=79Seventy-sixandthreeisseventy-nine.Pleasecount,fillintheblanksandrole-play!\nFifty-fourandthirty-twoiseighty-five.Isthisright?No,it’s______.It’s_________.54+32=86wrongeighty-sixSeventy-sixandtwenty-oneisninety-seven.Isthisright?Yes,it’s______.76+21=97right\nBingogameDrawa3×3tableonthepaper.Theteachergives9numbers.Fillthe9numbersinthetable.Then,theteachersay3luckynumbers.Ifthe3luckynumbersareonthesameline,youwillwin.8837523924100915069numbers:88,100,24,37,52,39,91,6,503luckynumbers:88,24,6\nLet’shaveamatchTheteachergivestheanswer,andthestudentsgivedifferentformulas（公式）accordingtotheanswer.Let’sseewhowillgivemorecorrectformulas.T:Eighty-six.S1:Eightyandsixiseighty-six.S2:Fortyandforty-sixiseighty-six.S3:Fifty-oneandthirty-fiveiseighty-six.…\n1.Keywordsandphrases:homework,right,wrong,onehundred,forty-six,fifty-four,twenty,thirty,forty,fifty,sixty,seventy,eighty,ninety…2.Keysentences:Fortyandtwentyissixty.Isthisright?Summary\n一、将下列数字与对应的英文单词连线。1.A.forty-three2.B.sixty-five3.C.seventy-one4.D.ninety-eight5.E.thirty-sixExercise\n1.You’re______.A.rightB.left2.Twentyandtwenty-sixis______.A.forty-twoB.forty-six二、选词填空。\n3.Fortyandfourteenis______.A.fifty-fourB.sixty-four4.Thereareone______boys.A.hundredB.hundreds5.Ihavetodomy______A.homeworkB.homework\nHomework1.ListenandreadthetextofPartA.2.CopyandrecitethewordsofPartB.3.TrytocountfromonetoonehundredinEnglish.